Filter

(function() {
  'use strict';
  angular
    .module('app')
    .filter('telephone', telephone)
    .filter('cpf', cpf)
    .filter('cep', cep);

  function telephone() {
    return function(str) {
      if (!str) return;
      return str.replace(/^\+55\s?/, '');
    };
  }

  function cpf() {
    return function(str) {
      str = (str || '')
        .replace(/\D/g,'')
        .replace(/(\d{3})(\d{3})(\d{3})(\d{2})/, '$1.$2.$3-$4');
      return str;
    };
  }

  function cep() {
    return function(str) {
      str = (str || '')
        .replace(/\D/g, '')
        .replace(/(\d{5})/, '$1-');
      return str;
    };
  }

})();